Agreement and Plan of Merger (Narrative) (Details) (Phoenix Bancorp Inc. [Member], USD $)	0 Months Ended
	Aug. 27, 2014
Business Acquisition [Line Items]
Ratio of conversion of acquiree's shares to entity's shares	3.167
Per share price	$ 51.60
Threshold consideration amount	$ 400,000
Pecentage of outstanding acquirees shares, threshold eligible for share conversion	80.00%
Series A Preferred Stock [Member]
Business Acquisition [Line Items]
Preferred stock, liquidation value	$ 2,625,000